JP7777922B2 - ビデオサンプルの変換されたブロックを符号化および復号するための方法、装置、およびシステム - Google Patents

ビデオサンプルの変換されたブロックを符号化および復号するための方法、装置、およびシステム

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Publication number
JP7777922B2
JP7777922B2 JP2020563622A JP2020563622A JP7777922B2 JP 7777922 B2 JP7777922 B2 JP 7777922B2 JP 2020563622 A JP2020563622 A JP 2020563622A JP 2020563622 A JP2020563622 A JP 2020563622A JP 7777922 B2 JP7777922 B2 JP 7777922B2
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transform
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block
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JP2021530124A5 (enExample
JP2021530124A (ja
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クリストファー ジェームズ ロゼワーン，
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Canon Inc
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Canon Inc
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
    • G06F17/10—Complex mathematical operations
    • G06F17/14—Fourier, Walsh or analogous domain transformations, e.g. Laplace, Hilbert, Karhunen-Loeve, transforms
    • G06F17/147—Discrete orthonormal transforms, e.g. discrete cosine transform, discrete sine transform, and variations therefrom, e.g. modified discrete cosine transform, integer transforms approximating the discrete cosine transform
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/12—Selection from among a plurality of transforms or standards, e.g. selection between discrete cosine transform [DCT] and sub-band transform or selection between H.263 and H.264
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/102—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or selection affected or controlled by the adaptive coding
    • H04N19/13—Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/134—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the element, parameter or criterion affecting or controlling the adaptive coding
    • H04N19/157—Assigned coding mode, i.e. the coding mode being predefined or preselected to be further used for selection of another element or parameter
    • H04N19/159—Prediction type, e.g. intra-frame, inter-frame or bidirectional frame prediction
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/17—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object
    • H04N19/176—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being an image region, e.g. an object the region being a block, e.g. a macroblock
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/169—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding
    • H04N19/18—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the coding unit, i.e. the structural portion or semantic portion of the video signal being the object or the subject of the adaptive coding the unit being a set of transform coefficients
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/10—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding
    • H04N19/189—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding
    • H04N19/192—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using adaptive coding characterised by the adaptation method, adaptation tool or adaptation type used for the adaptive coding the adaptation method, adaptation tool or adaptation type being iterative or recursive
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/42—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by implementation details or hardware specially adapted for video compression or decompression, e.g. dedicated software implementation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/46—Embedding additional information in the video signal during the compression process
    • H04N19/463—Embedding additional information in the video signal during the compression process by compressing encoding parameters before transmission
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/61—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding in combination with predictive coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/60—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding
    • H04N19/625—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using transform coding using discrete cosine transform [DCT]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/70—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals characterised by syntax aspects related to video coding, e.g. related to compression standards
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/91—Entropy coding, e.g. variable length coding [VLC] or arithmetic coding
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
    • H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
    • H04N19/96—Tree coding, e.g. quad-tree coding

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Discrete Mathematics (AREA)
  • Mathematical Physics (AREA)
  • Mathematical Optimization (AREA)
  • Mathematical Analysis (AREA)
  • Computational Mathematics (AREA)
  • Pure & Applied Mathematics (AREA)
  • Data Mining & Analysis (AREA)
  • Theoretical Computer Science (AREA)
  • Algebra (AREA)
  • Databases & Information Systems (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
JP2020563622A 2018-06-29 2019-05-29 ビデオサンプルの変換されたブロックを符号化および復号するための方法、装置、およびシステム Active JP7777922B2 (ja)

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JP2023183527A JP7656006B2 (ja) 2018-06-29 2023-10-25 ビデオサンプルの変換されたブロックを符号化および復号するための方法、装置、およびシステム

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AU2018204786 2018-06-29
AU2018204786A AU2018204786B2 (en) 2018-06-29 2018-06-29 Method, apparatus and system for encoding and decoding a transformed block of video samples
PCT/AU2019/050534 WO2020000019A1 (en) 2018-06-29 2019-05-29 Method, apparatus and system for encoding and decoding a transformed block of video samples

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EP (1) EP3815362A4 (enExample)
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KR (1) KR102579286B1 (enExample)
CN (6) CN112335241B (enExample)
AU (2) AU2018204786B2 (enExample)
BR (1) BR112020024151A2 (enExample)
RU (2) RU2764258C1 (enExample)
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WO (1) WO2020000019A1 (enExample)

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CN113316934B (zh) * 2019-01-25 2024-03-08 寰发股份有限公司 带有变换块级别约束的变换系数编码的方法和设备
TWI737141B (zh) * 2019-01-31 2021-08-21 聯發科技股份有限公司 視訊編碼中用於畫面內分區之轉換類型分配方法和裝置
CN113366845B (zh) 2019-01-31 2024-08-16 寰发股份有限公司 视频编码中结合帧间和帧内预测的方法和装置
CN113365054B (zh) * 2019-03-09 2022-08-05 杭州海康威视数字技术股份有限公司 进行编码和解码的方法、解码端、编码端和系统
KR102862055B1 (ko) * 2019-03-26 2025-09-19 베이징 시아오미 모바일 소프트웨어 컴퍼니 리미티드 변환에 기반한 영상 코딩 방법 및 그 장치
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WO2021171360A1 (ja) 2020-02-25 2021-09-02 日本電信電話株式会社 符号化方法、符号化装置及びプログラム
WO2022109910A1 (zh) * 2020-11-26 2022-06-02 深圳市大疆创新科技有限公司 视频编码方法、装置、编码器和存储介质
WO2023059056A1 (ko) * 2021-10-05 2023-04-13 엘지전자 주식회사 비분리 1차 변환에 기반한 영상 부호화/복호화 방법, 장치 및 비트스트림을 저장하는 기록 매체
CN114900703B (zh) * 2022-03-31 2024-07-23 中南大学 一种通用视频编码系统及数据处理方法
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US12058324B2 (en) 2024-08-06
EP3815362A1 (en) 2021-05-05
CN117560512A (zh) 2024-02-13
JP2023179798A (ja) 2023-12-19
RU2764258C1 (ru) 2022-01-14
AU2018204786B2 (en) 2025-05-29
US20220368904A1 (en) 2022-11-17
US20220368905A1 (en) 2022-11-17
US20210203933A1 (en) 2021-07-01
US20220368903A1 (en) 2022-11-17
BR112020024151A2 (pt) 2021-03-02
US20230028567A1 (en) 2023-01-26
CN112335241A (zh) 2021-02-05
US12047574B2 (en) 2024-07-23
WO2020000019A1 (en) 2020-01-02
EP3815362A4 (en) 2022-06-22
RU2021139861A (ru) 2022-02-09
KR20210003238A (ko) 2021-01-11
CN117560513A (zh) 2024-02-13
US12047573B2 (en) 2024-07-23
CN117528121A (zh) 2024-02-06
AU2018204786A1 (en) 2020-01-16
JP2021530124A (ja) 2021-11-04
JP7656006B2 (ja) 2025-04-02
KR102579286B1 (ko) 2023-09-18
US20220368906A1 (en) 2022-11-17
US12047572B2 (en) 2024-07-23
CN112335241B (zh) 2023-10-20
AU2025203432A1 (en) 2025-05-29
CN117544791A (zh) 2024-02-09
US11445191B2 (en) 2022-09-13
TW202002633A (zh) 2020-01-01
TWI827616B (zh) 2024-01-01
CN117544792A (zh) 2024-02-09

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